Insulated support for trolley-lines



(No Model.)

P. X. OIGOTT, W. J. BELOHER & P. G. BILLINGS. INSULATED SUPPORT FORTROLLEY LINES.

Patented Aug. 27,1895.

fhvwfiors: Frank X. Cz'aott,

Zl/z't' ne sse 5 ZM ZM Wa rren J Backer? Frede m'c CLBZZZWJ'. lay theirflttaz'neg UNiTlED STnTes FRANK X. ClCOTT, OF NEYV YORK, N. Y.,

PATENT Orrrcs.

AND WARREN J. nnLcnER AND FREDERIC C. BILLINGS, OF HARTFORD,CONNECTICUT, ASSIGNORS TO THE BILLINGS d: SPENCER COMPANY, OF HARTFORD,CONNECTICUT.

INSULATED SUPPORT FOR TROLLEY-LINES.

SPECIFICATION forming part; of Letters Patent No. 545,151, dated August27,

Application filed April 22, 1895- Serial No. 546,621. (No mod l.)

To aZZ whom it may concern;

Be it known that we, FRANK X. CIOO'I'I, residing at New York city, inthe county of New York and State of New York, and \VARREN .T. BELCHERand Fannnaro O. BILLINGS, residin g at Hartford, in the county ofHartford and State of Connecticut, citizens of the United States, haveinvented certain new and useful Improvements in Insulated Supports forTrolicy-Lines, of which the following is a specification.

This invention relates to insulators for trolicy-lines, the object beingto provide an improved insulated support for carrying a trolicy-wire,and which supportis adapted to be assembled in the form of astraight-line hanger or in the form of a pull-off, either double orsingle, for maintaining the alignment of a trolley-line; and theinvention is especially applicable to the insulation of a conductor of ahigh-tension main, such as an overhead conductor for an electric-railwaysystem from the guy-wire, usually connected and supporting suchhigh-tension conductor.

In the accompanying drawings, forming part of this specification, Figure1 is a top plan view of the insulated support, showing a portion of theguy Wire in dotted lines. Fig. 2 is a longitudinal section of the sameon line 2 2, Fig. 1, a part thereof being shown in full lines and aportion of the guy-wire and trolley-wire carrier in dotted lines. Fig. 3is a side elevation of the insulated support. Fig. 4 is a bottom planview of the device. Fig. 5 is a detail sectional view of thestudprotecting bell. Fig. 6 is a top plan view of a double pull-off formaintaining the align mentof the trolley-line. Fig. 7 is a sideelevation of Fig. 6, a part thereof being in dotted lines. Fig. 8 is aside elevation of a single pull-off for maintaining the alignment of atrolley-line, a part thereof being shown in dotted lines.

Similar characters designate like parts in all the figures of thedrawings.

The improved insulated support herein described consists, in thepreferred form thereof herein shown, of an insulated stud for supportinga trolley-line carrier, a bell-shaped protector held in said insulatedstud by any suitable means and provided with a sleeve encircling saidinsulated stud, together with an interchangeable yoke provided with awed ge-shaped portion adapted to encircle said protector and to betightly held thereon, said yoke being provided with means for theconnection of a guy-wire.

The improved insulated support comprises a central stud 10, provided atits upper end with a head 11 and at its lower end with a screw-thread12, adapted to be screwed into the carrier 13, employed to grasp ordirectly hold the trolley-line wire, as shown in Fig. 2. Said stud isalso provided near its lower end with a head 14, having a polygonalportion 15, onto which a Wrench may be applied to screw the stud in thetrolley-line carrier 13. The upper bead and cylindrical portion of thisstud is covered and surrounded by any I suitable insulating material16-such as hard rubber-and in practice this material is preferably madeabout one-fourth of an inch in thickness throughout the extent thereof,so that, as shown in Fig. 2 of the drawings, the insulated material willform a thimble comprising a cylindrical portion and a head, said headhaving a circular flange 1'7, adapted to rest upon the upper edge of thesleeve 19 of the protector hereinafter described, said insulatingmaterial thereby forming, together with the stud, an improvedinsulator-stud, (designated generally as 60,) which the bell-shapedprotector hereinafter described is adapted to encircle.

The protector, (indicated generally asl8,) comprises at its lower end abell-shaped or liaring mouth 20, having a sleeve 19, screwthreaded onits exterior face and adapted to tightly encircle the cylindrical partof the insulated stud 60. The bell-shaped mouth of this protectorprotects the lower end of the studfrom moisture, snow, and ice, therebypreventing the formation of a circuit between said bell-shaped protectorand stud.

In order to hold the protector 18 in its proper place on the insulatedstud 60, in practice, an inverted cup-shaped clamping-nut 21 ispreferably screwed onto the upper part of the sleeve 19 and entirelycovers the insulating material 16, surrounding the-head of the stud; butany suitable means may be used forholding the protector in the insulatedstud. In practice a suitable packing 22 of fibrous material such asleather is preferably disposed between the inner side of the cupshapedclamp and the top face of the insulated material, so that a more perfectfit of the parts will be secured Without too great pressure at any onepoint and the consequent compression of the insulated material. A yoke30, having the interior upper portion of its circular openingscrew-threaded, as at 31, is adapted to screw onto the screw-threads ofthe sleeve 19. Below thethreaded portion 31 the yoke is provided with adownwardlyprojecting conical or wedge-shaped portion 32, adapted toengage with a corresponding wedge-shaped portion or beveled bearing 33,and be tightly clamped onto the protector 18. In practice thesewedge-shaped bearings are formed relatively acute, so that they willbind upon each other with a relatively great re sistance when the yokeis screwed down upon the sleeve, so that the locking ettect of thecollar or check-nut 34:, hereinafter described, will be greatlymultiplied, and the yoke will have a positive hold upon the protector18, so that said protector cannot be turned out of place nor tend toturn the stud and thereby gradually release the trolley-line carrier 13.A check-nut or locking-collar 34 is adapted to be screwed onto thesleeve 19 of the protector above the yoke 30 and rests thereon andprevents theyoke from graduallyworking loose from the protector andbecoming separated by the swaying of the trolley-line and hanger-lines.The yoke 30 is provided with guides 34 at or near its ends, said yokebeing carried by a straight-line cross-wire, as 50, as indicated bydotted lines, Figs. 1 and 2, which wire, after passing through theguides 34, is deflected around one side of the protector, and is heldtherein by means of the groove formed by the inclined exterior face ofthe protector and the wedge-shaped portion of its yoke.

In the modification shown in Figs. 6 and 7 the yoke is provided, at ornear its outer ends, with apertures 35, to which the guywires of thetrolley-line are connected, whereby the support may be used as a doublepulloflf, if desired.

In the modification shown in Fig. 8 the yoke has but one arm, as 37,which is curved in downward direction, the lower end thereof being, inpractice, preferably on the same plane as the lower portion of thetrolley-wire carrier 13, so that said support will not be pulled out ofits vertical position when the guy-wire is connected. This arm isprovided, at or near the lower end, with an aperture 38 for theconnection of the guy-wire, whereby the support may be used as a singlepull-off, if desired.

In the use of this invention the lineman carries anumber of the variousyokes (shown, respectively,- in Figs. 3, 6,- and 8) in connection with,the other parts of the device, so that when desired to use the supportas a straightli'ne hanger, a yoke similar to the yoke shown in Figs. 1to 4, inclusive, is

.screwed onto the sleeve of the protector.

When the device, however, is to be used as a double pull-off, it is onlynecessary to screw onto the sleeve of the protector a yoke similar tothat shown in Figs. 6 and '7, and when the device is to be used as asingle pull-off a yoke similar to the one shown in Fig. 8 is screwedonto the sleeve of the protector, so that by the use of the differentyokes heretofore described, in connection with the other parts of thesupport, the device can be assembled as a straight-line hanger, or as adouble pull-off, or as a single pull-elf, as may become necessary instringing a trolley-line. By this interchangeability of the differentparts a materially smaller number of pounds of metal can be carried by alineman, as it will be only necessary to carry a number of differentyokes in connection with the other parts of the support, and it will notbe necessary, as is now ordinarily the case, to carry entirely separateand complete devices for, the different purposes.

By the interchangeability of this device, in practice, where, byconstant use or other means, a part or parts become worn or broken, suchpart or parts can be easily and quickly replaced at a very small cost oftime, labor, and expense.

WVe claim as our invention- 1. In an insulated support of the classspecifled, the combination with an insulator stud adapted to support atrolley-line carrier; of a protector adapted to encircle said stud, andhaving a flaring lower portion; a separate yoke provided with means forconnection with a guy-wire, and adapted to encircle the flaring lowerportion of said protector and be wedged on said flaring lower portion,substantially as described.

2. In an insulated support of the class specified, the combinationwith'the insulator-stud adapted to support a trolley-line carrier; of aprotector adapted to encircle said stud comprising a sleeve and aflaring lower portion; a separate yoke provided with means forconnection with a guy-wire, and adapted to fit on to both the sleeve andflaring lower portion of the protector, and be wedged on said flaringlower portion; and means for wedging said yoke thereon, substantially asdescribed.

3. In an insulated support of the class specified,the combination withthe insulator stud adapted to support a trolley-line carrier; of aprotector adapted to encircle said stud comprising a sleeve and aflaring lower portion; a separate yoke provided with means forconnection with a guy-wire, and adapted to fit on to both the sleeve andflaring lower portion of the protector, and be wedged on said flaringlower portion, substantially as described.

4. In an insulated support of the class specitied, the combination withan insulator stud adapted to support a trolley-line carrier; of abell-shaped protector adapted to encircle said stud, and having aportion of its outer surface beveled; a yoke provided with means forconnection with a guy-wire, and adapted to fit said beveled surface, andbe clamped thereon 5 means for clamping said yoke on said protector; andmeans for clamping said protector on the insulator stud.

5. In an insulated support of the class specified, the combination withan insulator-stud adapted to support a trolley-line carrieryof aprotector for the stud provided with an exteriorly screw'threaded sleevefor encircling said stud, and with a flaring lower portion; a yokeprovided with means for connection with a guy-wire and with ascrew-threaded portion adapted to it said screw-threaded sleeve; andwith a flaring interior surface adapted to be wedged on the flaringportion of said protector, substantially as described.

6. In an insulated support of the class specitied, the combination withan insulator stud adapted to support a trolley-line carrier; of abell-shaped protector for the stud provided with an exteriorly screw-threaded sleeve adapted to encircle said stud, and having a portion ofits outer surface beveled; a yoke provided with means for connectionwith a guy-wire and adapted to screw onto said screw-threaded sleeve,and lit said beveled surface, and be clamped thereon; and means forplamping said protector onto the insulator stut '7. In an insulatedsupport of the class specitied, the combination with an insulator studadapted to support atrolley-line carrier; of a bell-shaped protector forthe stud provided with an exteriorly screw-threaded sleeve forencircling said stud, and a beveled surface below said sleeve; a yokeprovided with means for connection with a guy-wire, and having aninteriorly beveled surface, said yoke being adapted to be screwed ontosaid sleeve, and be clamped on the beveled surface of the protector;means for clamping said protector onto the insulator stud; and means forpreventing the rotation of the yoke.

S. In an insulated support of the class specified, the combination withan insulator-stud adapted to support a trolley-line carrier; of aprotector for the stud provided with an ex teriorly screw-threadedsleeve adapted to encircle said stud, and with a flaring lower portion;a yoke provided with means for connection with a guy-wire andwithascrew-threaded portion adapted to fit said screw-threaded sleeve;and with a flaring interior surface adapted to be wedged on the flaringportion of said protector; means for wedging the yoke thereon; and meansfor clamping the protector on to the insulator-stud, substantially asdescribed.

9. In an insulated support of the class specified, the combination withan insulator stud adapted to support a trolley-line carrier; of abell-shaped protector for said stud provided with a beveled outersurface; a yoke provided with means for connection with a guy-wire andadapted to be clamped onto said beveled surface of the protector, andform a groove for holding a guy-wire; means for clamping said yoke onsaid protector; and means for clamping said protector onto the insulatorstud.

10. In an insulated support of the class specified, the combination withan insulator stud adapted to support a trolley-line carrier; of abellshaped protector having an exteriorlyscrew-threaded sleeve adaptedto encircle the insulator stud, and also having an exterior-beveledsurface; a yoke provided with means for connect-ion with a guy-wire, andadapted to screw onto said sleeve, and also having an interior-beveledsurface clamping on to the beveled surface of the protector; a check-nutfor clamping said yoke on the protector; and an inverted cup-shapedclamp adapted to screw onto said protecter, and clamp the same onto theinsulator stud.

11. In an insulated support of the class specified, the combination withan insulatorstud adapted to support a trolley-line carrier; of aprotector adapted to encircle said stud, and having a flaring lowerportion; a sepa rate yoke adapted to encircle the flaring portion ofsaid protector and be wedged thereon; and provided with an arm on onesidethereof adapted for connection with a guy-wire; and means forwedging said yoke on to said proteeter, substantially as described.

12. In an insulated support of the class specified, the combination withan insulatorstud adapted to supporta trolley-line carrier;

of a protector adapted to encircle said stud,

and having a daring lower portion; a separate yoke adapted to encirclethe flaring portion of said protector and be wedged thereon, andprovided with an arm on one side thereof adapted for connection with aguy Wire; means for wedging said yoke on to said protector; and meansfor clamping said protector on to the insulator stud, substantially asdescribed.

13. In an insulated support of the class specified, the combination withan insulator stud adapted to support a trolley-line carrier; of abell-shaped protector for said stud provided with an exteriorly-beveledsurface; a separate yoke provided with means for connection with aguy-wire, and having an interiorly-beveled surface adapted to bear onmeans for wedging said yokeon to the flaring" portion of said protector,substantially as clescribed.

FRANK X. CICOTT. WARREN J. BELOHER. FREDERIO O. BILLINGS. WVitnesses tosignature of Frank X. Cicott:

F. S. KENFIELD, II. II. WINDSOR. v Witnesses to signature of Wamen J.Belcher and Frederic C. Billings:

FRED. J. DOLE, H. E. BILLINGS.

